involved in a kind of operation

having influence or producing an effect

(of e.g. a machine) performing or capable of performing

a process or series of acts especially of a practical or mechanical nature involved in a particular form of work

process or manner of functioning or operating

do double duty; serve two purposes or have two functions

begin operating or running

function as a cutting instrument

be used by; as of a utility

be operating, running or functioning

operate in or through